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A179966 Number of permutations of 1..2*n+8 with no adjacent elements within n in value. 0
40320, 479306, 6564318, 99133496, 1572313392, 25415753280 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..5.

CROSSREFS

Sequence in context: A179734 A061123 A029576 * A133068 A254081 A228911

Adjacent sequences:  A179963 A179964 A179965 * A179967 A179968 A179969

KEYWORD

nonn,more

AUTHOR

R. H. Hardin, Aug 03 2010

EXTENSIONS

a(0)=40320 prepended by Seiichi Manyama, Dec 01 2018

STATUS

approved

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Last modified September 20 08:10 EDT 2021. Contains 347577 sequences. (Running on oeis4.)